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Guest Belmondus

NFC + gprs sim900

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Guest Belmondus

Hi when i stack both shields, nfc is stop working (i use example without sim900 is working when i add shield its stop)i use arduino yun

 

any help?

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Guest BelmonduS

i done it and there is no success even if i add power supply switch to ext power i think its pin A4/A5 what make a problem because when i disconnect them nfc was operational

 

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i done it and there is no success even if i add power supply switch to ext power i think its pin A4/A5 what make a problem because when i disconnect them nfc was operational

OK, thanks for your patience.

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